1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | /*␊ |
25 | * Copyright 1993 NeXT, Inc.␊ |
26 | * All rights reserved.␊ |
27 | */␊ |
28 | ␊ |
29 | #include "bootstruct.h"␊ |
30 | #include "libsaio.h"␊ |
31 | #include "xml.h"␊ |
32 | ␊ |
33 | extern char *Language;␊ |
34 | extern char *LoadableFamilies;␊ |
35 | ␊ |
36 | bool sysConfigValid;␊ |
37 | ␊ |
38 | /*␊ |
39 | * Compare a string to a key with quoted characters␊ |
40 | */␊ |
41 | static inline int␊ |
42 | keyncmp(const char *str, const char *key, int n)␊ |
43 | {␊ |
44 | int c;␊ |
45 | while (n--) {␊ |
46 | ␉c = *key++;␊ |
47 | ␉if (c == '\\') {␊ |
48 | ␉ switch(c = *key++) {␊ |
49 | ␉ case 'n':␊ |
50 | ␉␉c = '\n';␊ |
51 | ␉␉break;␊ |
52 | ␉ case 'r':␊ |
53 | ␉␉c = '\r';␊ |
54 | ␉␉break;␊ |
55 | ␉ case 't':␊ |
56 | ␉␉c = '\t';␊ |
57 | ␉␉break;␊ |
58 | ␉ default:␊ |
59 | ␉␉break;␊ |
60 | ␉ }␊ |
61 | ␉} else if (c == '\"') {␊ |
62 | ␉ /* Premature end of key */␊ |
63 | ␉ return 1;␊ |
64 | ␉}␊ |
65 | ␉if (c != *str++) {␊ |
66 | ␉ return 1;␊ |
67 | ␉}␊ |
68 | }␊ |
69 | return 0;␊ |
70 | }␊ |
71 | ␊ |
72 | #if UNUSED␊ |
73 | ␊ |
74 | static void eatThru(char val, const char **table_p)␊ |
75 | {␊ |
76 | ␉register const char *table = *table_p;␊ |
77 | ␉register bool found = false;␊ |
78 | ␊ |
79 | ␉while (*table && !found)␊ |
80 | ␉{␊ |
81 | ␉␉if (*table == '\\') table += 2;␊ |
82 | ␉␉else␊ |
83 | ␉␉{␊ |
84 | ␉␉␉if (*table == val) found = true;␊ |
85 | ␉␉␉table++;␊ |
86 | ␉␉}␊ |
87 | ␉}␊ |
88 | ␉*table_p = table;␊ |
89 | }␊ |
90 | ␊ |
91 | /* Remove key and its associated value from the table. */␊ |
92 | ␊ |
93 | bool␊ |
94 | removeKeyFromTable(const char *key, char *table)␊ |
95 | {␊ |
96 | register int len;␊ |
97 | register char *tab;␊ |
98 | char *buf;␊ |
99 | ␊ |
100 | len = strlen(key);␊ |
101 | tab = (char *)table;␊ |
102 | buf = (char *)malloc(len + 3);␊ |
103 | ␊ |
104 | sprintf(buf, "\"%s\"", key);␊ |
105 | len = strlen(buf);␊ |
106 | ␊ |
107 | while(*tab) {␊ |
108 | if(strncmp(buf, tab, len) == 0) {␊ |
109 | char c;␊ |
110 | ␊ |
111 | while((c = *(tab + len)) != ';') {␊ |
112 | if(c == 0) {␊ |
113 | len = -1;␊ |
114 | goto out;␊ |
115 | }␊ |
116 | len++;␊ |
117 | }␊ |
118 | len++;␊ |
119 | if(*(tab + len) == '\n') len++;␊ |
120 | goto out;␊ |
121 | }␊ |
122 | tab++;␊ |
123 | }␊ |
124 | len = -1;␊ |
125 | out:␊ |
126 | free(buf);␊ |
127 | ␊ |
128 | if(len == -1) return false;␊ |
129 | ␊ |
130 | while((*tab = *(tab + len))) {␊ |
131 | tab++;␊ |
132 | }␊ |
133 | ␊ |
134 | return true;␊ |
135 | }␊ |
136 | ␊ |
137 | char *␊ |
138 | newStringFromList(␊ |
139 | char **list,␊ |
140 | int *size␊ |
141 | )␊ |
142 | {␊ |
143 | char *begin = *list, *end;␊ |
144 | char *newstr;␊ |
145 | int newsize = *size;␊ |
146 | int bufsize;␊ |
147 | ␊ |
148 | while (*begin && newsize && isspace(*begin)) {␊ |
149 | ␉begin++;␊ |
150 | ␉newsize--;␊ |
151 | }␊ |
152 | end = begin;␊ |
153 | while (*end && newsize && !isspace(*end)) {␊ |
154 | ␉end++;␊ |
155 | ␉newsize--;␊ |
156 | }␊ |
157 | if (begin == end)␊ |
158 | ␉return 0;␊ |
159 | bufsize = end - begin + 1;␊ |
160 | newstr = malloc(bufsize);␊ |
161 | strlcpy(newstr, begin, bufsize);␊ |
162 | *list = end;␊ |
163 | *size = newsize;␊ |
164 | return newstr;␊ |
165 | }␊ |
166 | ␊ |
167 | #endif␊ |
168 | ␊ |
169 | /* ␊ |
170 | * compress == compress escaped characters to one character␊ |
171 | */␊ |
172 | int stringLength(const char *table, int compress)␊ |
173 | {␊ |
174 | ␉int ret = 0;␊ |
175 | ␊ |
176 | ␉while (*table)␊ |
177 | ␉{␊ |
178 | ␉␉if (*table == '\\')␊ |
179 | ␉␉{␊ |
180 | ␉␉␉table += 2;␊ |
181 | ␉␉␉ret += 1 + (compress ? 0 : 1);␊ |
182 | ␉␉}␊ |
183 | ␉␉else␊ |
184 | ␉␉{␊ |
185 | ␉␉␉if (*table == '\"') return ret;␊ |
186 | ␉␉␉ret++;␊ |
187 | ␉␉␉table++;␊ |
188 | ␉␉}␊ |
189 | ␉}␊ |
190 | ␉return ret;␊ |
191 | }␊ |
192 | ␊ |
193 | ␊ |
194 | bool getValueForConfigTableKey(config_file_t *config, const char *key, const char **val, int *size)␊ |
195 | {␊ |
196 | ␉if (config->dictionary != 0 ) {␊ |
197 | ␉␉// Look up key in XML dictionary␊ |
198 | ␉␉TagPtr value;␊ |
199 | ␉␉value = XMLGetProperty(config->dictionary, key);␊ |
200 | ␉␉if (value != 0) {␊ |
201 | ␉␉␉if (value->type != kTagTypeString) {␊ |
202 | ␉␉␉␉error("Non-string tag '%s' found in config file\n",␊ |
203 | ␉␉␉␉␉ key);␊ |
204 | ␉␉␉␉return false;␊ |
205 | ␉␉␉}␊ |
206 | ␉␉␉*val = value->string;␊ |
207 | ␉␉␉*size = strlen(value->string);␊ |
208 | ␉␉␉return true;␊ |
209 | ␉␉}␊ |
210 | ␉} else {␊ |
211 | ␉␊ |
212 | ␉␉// Legacy plist-style table␊ |
213 | ␊ |
214 | ␉}␊ |
215 | ␊ |
216 | ␉return false;␊ |
217 | }␊ |
218 | ␊ |
219 | #if UNUSED␊ |
220 | ␊ |
221 | /*␊ |
222 | * Returns a new malloc'ed string if one is found␊ |
223 | * in the string table matching 'key'. Also translates␊ |
224 | * \n escapes in the string.␊ |
225 | */␊ |
226 | char *newStringForStringTableKey(␊ |
227 | ␉char *table,␊ |
228 | ␉char *key,␊ |
229 | ␉config_file_t *config␊ |
230 | )␊ |
231 | {␊ |
232 | const char *val;␊ |
233 | char *newstr, *p;␊ |
234 | int size;␊ |
235 | ␊ |
236 | if (getValueForConfigTableKey(config, key, &val, &size)) {␊ |
237 | ␉newstr = (char *)malloc(size+1);␊ |
238 | ␉for (p = newstr; size; size--, p++, val++) {␊ |
239 | ␉ if ((*p = *val) == '\\') {␊ |
240 | ␉␉switch (*++val) {␊ |
241 | ␉␉case 'r':␊ |
242 | ␉␉ *p = '\r';␊ |
243 | ␉␉ break;␊ |
244 | ␉␉case 'n':␊ |
245 | ␉␉ *p = '\n';␊ |
246 | ␉␉ break;␊ |
247 | ␉␉case 't':␊ |
248 | ␉␉ *p = '\t';␊ |
249 | ␉␉ break;␊ |
250 | ␉␉default:␊ |
251 | ␉␉ *p = *val;␊ |
252 | ␉␉ break;␊ |
253 | ␉␉}␊ |
254 | ␉␉size--;␊ |
255 | ␉ }␊ |
256 | ␉}␊ |
257 | ␉*p = '\0';␊ |
258 | ␉return newstr;␊ |
259 | } else {␊ |
260 | ␉return 0;␊ |
261 | }␊ |
262 | }␊ |
263 | ␊ |
264 | #endif␊ |
265 | ␊ |
266 | char *␊ |
267 | newStringForKey(char *key, config_file_t *config)␊ |
268 | {␊ |
269 | const char *val;␊ |
270 | char *newstr;␊ |
271 | int size;␊ |
272 | ␊ |
273 | if (getValueForKey(key, &val, &size, config) && size) {␊ |
274 | ␉newstr = (char *)malloc(size + 1);␊ |
275 | ␉strlcpy(newstr, val, size + 1);␊ |
276 | ␉return newstr;␊ |
277 | } else {␊ |
278 | ␉return 0;␊ |
279 | }␊ |
280 | }␊ |
281 | ␊ |
282 | /* parse a command line␊ |
283 | * in the form: [<argument> ...] [<option>=<value> ...]␊ |
284 | * both <option> and <value> must be either composed of␊ |
285 | * non-whitespace characters, or enclosed in quotes.␊ |
286 | */␊ |
287 | ␊ |
288 | static const char *getToken(const char *line, const char **begin, int *len)␊ |
289 | {␊ |
290 | if (*line == '\"') {␊ |
291 | ␉*begin = ++line;␊ |
292 | ␉while (*line && *line != '\"')␊ |
293 | ␉ line++;␊ |
294 | ␉*len = line++ - *begin;␊ |
295 | } else {␊ |
296 | ␉*begin = line;␊ |
297 | ␉while (*line && !isspace(*line) && *line != '=')␊ |
298 | ␉ line++;␊ |
299 | ␉*len = line - *begin;␊ |
300 | }␊ |
301 | return line;␊ |
302 | }␊ |
303 | ␊ |
304 | bool getValueForBootKey(const char *line, const char *match, const char **matchval, int *len)␊ |
305 | {␊ |
306 | const char *key, *value;␊ |
307 | int key_len, value_len;␊ |
308 | bool retval = false;␊ |
309 | ␊ |
310 | while (*line) {␊ |
311 | ␉/* look for keyword or argument */␊ |
312 | ␉while (isspace(*line)) line++;␊ |
313 | ␊ |
314 | ␉/* now look for '=' or whitespace */␊ |
315 | ␉line = getToken(line, &key, &key_len);␊ |
316 | ␉/* line now points to '=' or space */␊ |
317 | ␉if (*line && !isspace(*line)) {␊ |
318 | ␉ line = getToken(++line, &value, &value_len);␊ |
319 | ␉} else {␊ |
320 | ␉ value = line;␊ |
321 | ␉ value_len = 0;␊ |
322 | ␉}␊ |
323 | ␉if ((strlen(match) == key_len)␊ |
324 | ␉ && strncmp(match, key, key_len) == 0) {␊ |
325 | ␉ *matchval = value;␊ |
326 | ␉ *len = value_len;␊ |
327 | ␉ retval = true;␊ |
328 | /* Continue to look for this key; last one wins. */␊ |
329 | ␉}␊ |
330 | }␊ |
331 | return retval;␊ |
332 | }␊ |
333 | ␊ |
334 | /* Return NULL if no option has been successfully retrieved, or the string otherwise */␊ |
335 | const char * getStringForKey(const char * key, config_file_t *config)␊ |
336 | {␊ |
337 | static const char* value =0;␊ |
338 | int len=0;␊ |
339 | if(!getValueForKey(key, &value, &len, config)) value = 0;␊ |
340 | return value;␊ |
341 | }␊ |
342 | ␊ |
343 | ␊ |
344 | /* Returns TRUE if a value was found, FALSE otherwise.␊ |
345 | * The boolean value of the key is stored in 'val'.␊ |
346 | */␊ |
347 | ␊ |
348 | bool getBoolForKey( const char *key, bool *result_val, config_file_t *config )␊ |
349 | {␊ |
350 | const char *key_val;␊ |
351 | int size;␊ |
352 | ␊ |
353 | if (getValueForKey(key, &key_val, &size, config)) {␊ |
354 | if ( (size >= 1) && (key_val[0] == 'Y' || key_val[0] == 'y') ) {␊ |
355 | *result_val = true;␊ |
356 | } else {␊ |
357 | *result_val = false;␊ |
358 | }␊ |
359 | return true;␊ |
360 | }␊ |
361 | return false;␊ |
362 | }␊ |
363 | ␊ |
364 | bool getIntForKey( const char *key, int *value, config_file_t *config )␊ |
365 | {␊ |
366 | const char *val;␊ |
367 | int size, sum;␊ |
368 | bool negative = false;␊ |
369 | ␊ |
370 | if (getValueForKey(key, &val, &size, config))␊ |
371 | ␉{␊ |
372 | ␉␉if ( size )␊ |
373 | ␉␉{␊ |
374 | ␉␉␉if (*val == '-')␊ |
375 | ␉␉␉{␊ |
376 | ␉␉␉␉negative = true;␊ |
377 | ␉␉␉␉val++;␊ |
378 | ␉␉␉␉size--;␊ |
379 | ␉␉␉}␊ |
380 | ␉␉␉␊ |
381 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
382 | ␉␉␉{␊ |
383 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
384 | ␉␉␉␉␉return false;␊ |
385 | ␉␉␉␉␊ |
386 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
387 | ␉␉␉}␊ |
388 | ␉␉␉␊ |
389 | ␉␉␉if (negative)␊ |
390 | ␉␉␉␉sum = -sum;␊ |
391 | ␉␉␉␊ |
392 | ␉␉␉*value = sum;␊ |
393 | ␉␉␉return true;␊ |
394 | ␉␉}␊ |
395 | ␉}␊ |
396 | return false;␊ |
397 | }␊ |
398 | ␊ |
399 | /*␊ |
400 | *␊ |
401 | */␊ |
402 | ␊ |
403 | bool getDimensionForKey( const char *key, unsigned int *value, config_file_t *config, unsigned int dimension_max, unsigned int object_size )␊ |
404 | {␊ |
405 | ␉const char *val;␊ |
406 | ␉␊ |
407 | int size = 0;␊ |
408 | ␉int sum = 0;␊ |
409 | ␊ |
410 | ␉bool negative = false;␊ |
411 | ␉bool percentage = false;␊ |
412 | ␉␊ |
413 | if (getValueForKey(key, &val, &size, config))␊ |
414 | ␉{␊ |
415 | ␉␉if ( size )␊ |
416 | ␉␉{␊ |
417 | ␉␉␉if (*val == '-')␊ |
418 | ␉␉␉{␊ |
419 | ␉␉␉␉negative = true;␊ |
420 | ␉␉␉␉val++;␊ |
421 | ␉␉␉␉size--;␊ |
422 | ␉␉␉}␊ |
423 | ␉␉␉␊ |
424 | ␉␉␉if (val[size-1] == '%')␊ |
425 | ␉␉␉{␊ |
426 | ␉␉␉␉percentage = true;␊ |
427 | ␉␉␉␉size--;␊ |
428 | ␉␉␉}␊ |
429 | ␉␉␉␊ |
430 | ␉␉␉// convert string to integer␊ |
431 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
432 | ␉␉␉{␊ |
433 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
434 | ␉␉␉␉␉return false;␊ |
435 | ␉␉␉␉␊ |
436 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
437 | ␉␉␉}␊ |
438 | ␉␉␉␊ |
439 | ␉␉␉if (percentage)␊ |
440 | ␉␉␉␉sum = ( dimension_max * sum ) / 100;␊ |
441 | ␉␉␉␊ |
442 | ␉␉␉// calculate offset from opposite origin␊ |
443 | ␉␉␉if (negative)␊ |
444 | ␉␉␉␉sum = ( ( dimension_max - object_size ) - sum );␊ |
445 | ␉␉␉␊ |
446 | ␉␉} else {␊ |
447 | ␉␉␉␊ |
448 | ␉␉␉// null value calculate center␊ |
449 | ␉␉␉sum = ( dimension_max - object_size ) / 2;␊ |
450 | ␉␉␉␊ |
451 | ␉␉}␊ |
452 | ␉␉␊ |
453 | ␉␉*value = (uint16_t) sum;␊ |
454 | ␉␉return true;␊ |
455 | ␉}␊ |
456 | ␉␊ |
457 | ␉// key not found␊ |
458 | return false;␊ |
459 | }␊ |
460 | ␊ |
461 | /*␊ |
462 | *␉get color value from plist format #RRGGBB␊ |
463 | */␊ |
464 | ␊ |
465 | bool getColorForKey( const char *key, unsigned int *value, config_file_t *config )␊ |
466 | {␊ |
467 | const char *val;␊ |
468 | int size;␊ |
469 | ␊ |
470 | if (getValueForKey(key, &val, &size, config))␊ |
471 | ␉{␊ |
472 | ␉␉if (*val == '#')␊ |
473 | ␉␉{␊ |
474 | val++;␊ |
475 | ␉␉␉*value = strtol(val, NULL, 16);␊ |
476 | ␉␉␉return true;␊ |
477 | }␊ |
478 | }␊ |
479 | return false;␊ |
480 | }␊ |
481 | ␊ |
482 | bool getValueForKey( const char *key, const char **val, int *size, config_file_t *config )␊ |
483 | {␊ |
484 | if (getValueForBootKey(bootArgs->CommandLine, key, val, size))␊ |
485 | return true;␊ |
486 | ␊ |
487 | return getValueForConfigTableKey(config, key, val, size);␊ |
488 | }␊ |
489 | ␊ |
490 | ␊ |
491 | #if UNUSED␊ |
492 | void␊ |
493 | printSystemConfig(char *p1)␊ |
494 | {␊ |
495 | char *p2 = p1, tmp;␊ |
496 | ␊ |
497 | while (*p1 != '\0') {␊ |
498 | ␉while (*p2 != '\0' && *p2 != '\n') p2++;␊ |
499 | ␉tmp = *p2;␊ |
500 | ␉*p2 = '\0';␊ |
501 | ␉printf("%s\n", p1);␊ |
502 | ␉*p2 = tmp;␊ |
503 | ␉if (tmp == '\0') break;␊ |
504 | ␉p1 = ++p2;␊ |
505 | }␊ |
506 | }␊ |
507 | #endif␊ |
508 | ␊ |
509 | //==========================================================================␊ |
510 | // ParseXMLFile␊ |
511 | // Modifies the input buffer.␊ |
512 | // Expects to see one dictionary in the XML file.␊ |
513 | // Puts the first dictionary it finds in the␊ |
514 | // tag pointer and returns 0, or returns -1 if not found␊ |
515 | // (and does not modify dict pointer).␊ |
516 | // Prints an error message if there is a parsing error.␊ |
517 | //␊ |
518 | int ParseXMLFile( char * buffer, TagPtr * dict )␊ |
519 | {␊ |
520 | long length, pos;␊ |
521 | TagPtr tag;␊ |
522 | pos = 0;␊ |
523 | char *configBuffer;␊ |
524 | ␊ |
525 | configBuffer = malloc(strlen(buffer)+1);␊ |
526 | strcpy(configBuffer, buffer);␊ |
527 | ␊ |
528 | while (1)␊ |
529 | {␊ |
530 | length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
531 | if (length == -1) break;␊ |
532 | ␊ |
533 | pos += length;␊ |
534 | ␊ |
535 | if (tag == 0) continue;␊ |
536 | if (tag->type == kTagTypeDict) break;␊ |
537 | ␊ |
538 | XMLFreeTag(tag);␊ |
539 | }␊ |
540 | free(configBuffer);␊ |
541 | if (length < 0) {␊ |
542 | error ("Error parsing plist file\n");␊ |
543 | return -1;␊ |
544 | }␊ |
545 | *dict = tag;␊ |
546 | return 0;␊ |
547 | }␊ |
548 | ␊ |
549 | /* loadConfigFile␊ |
550 | *␊ |
551 | * Returns 0 - successful.␊ |
552 | *␉␉ -1 - unsuccesful.␊ |
553 | */␊ |
554 | int loadConfigFile (const char *configFile, config_file_t *config)␊ |
555 | {␊ |
556 | ␉int fd, count;␊ |
557 | ␊ |
558 | ␉if ((fd = open_bvdev("bt(0,0)", configFile, 0)) < 0) {␊ |
559 | ␉␉return -1;␊ |
560 | ␉}␊ |
561 | ␉// read file␊ |
562 | ␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
563 | ␉close(fd);␊ |
564 | ␉␊ |
565 | ␉// build xml dictionary␊ |
566 | ␉ParseXMLFile(config->plist, &config->dictionary);␊ |
567 | ␉return 0;␊ |
568 | }␊ |
569 | ␊ |
570 | ␊ |
571 | /* loadSystemConfig␊ |
572 | *␊ |
573 | * filename == NULL:␊ |
574 | * You are loading from com.apple.Boot.plist somewhere in the universe.␊ |
575 | * Also, bootarg's "config=" is considerd as replacement name.␊ |
576 | *␊ |
577 | * filename != NULL:␊ |
578 | * Use it as file name.␊ |
579 | * ␊ |
580 | * Returns 0 - successful.␊ |
581 | *␉␉ -1 - unsuccesful.␊ |
582 | */␊ |
583 | #define MAX_DIRSPECS (8)␊ |
584 | ␊ |
585 | int loadSystemConfig(const char* bootargs, config_file_t *config, const char* filename, bool override)␊ |
586 | {␊ |
587 | ␉char config_filename[512];␉␉// Will be filled with the name of boot.plist␊ |
588 | ␊ |
589 | ␉char *defaultDirspec[MAX_DIRSPECS] = {␊ |
590 | ␉␉"/Extra/",␊ |
591 | ␉␉"bt(0,0)/Extra/",␊ |
592 | ␉␉NULL,␊ |
593 | ␉␉NULL,␊ |
594 | ␉␉NULL,␊ |
595 | ␉␉NULL,␊ |
596 | ␉␉NULL,␊ |
597 | ␉␉NULL␊ |
598 | ␉};␊ |
599 | ␊ |
600 | ␉char *overrideDirspec[MAX_DIRSPECS] = {␊ |
601 | ␉␉"rd(0,0)/Extra/",␊ |
602 | ␉␉"/Extra/",␊ |
603 | ␉␉NULL,␊ |
604 | ␉␉NULL,␊ |
605 | ␉␉NULL,␊ |
606 | ␉␉NULL,␊ |
607 | ␉␉NULL,␊ |
608 | ␉␉NULL␊ |
609 | ␉};␊ |
610 | ␊ |
611 | ␉char* moreBootPlist[4] = {␊ |
612 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
613 | ␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
614 | ␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
615 | ␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
616 | ␉};␊ |
617 | ␊ |
618 | ␉int i, j, fd, count, size;␊ |
619 | ␉const char* val;␊ |
620 | ␉char filespec[512];␊ |
621 | ␉char *dirspec[MAX_DIRSPECS];␊ |
622 | ␊ |
623 | ␉if (override)␊ |
624 | ␉ memcpy(dirspec, overrideDirspec, sizeof(overrideDirspec));␊ |
625 | ␉else␊ |
626 | ␉ memcpy(dirspec, defaultDirspec, sizeof(defaultDirspec));␊ |
627 | ␉␊ |
628 | ␊ |
629 | ␉if (filename)␊ |
630 | ␉{␊ |
631 | strcpy(config_filename, filename);␊ |
632 | ␉}␊ |
633 | ␉else␊ |
634 | ␉{␊ |
635 | strcpy(config_filename, "com.apple.Boot.plist");␊ |
636 | for (j = 0; dirspec[j]; j++) /* noop */;␊ |
637 | memcpy(&dirspec[j], moreBootPlist, sizeof(moreBootPlist));␊ |
638 | ␉ // If there is a config designated, point boot.plist to something else.␊ |
639 | ␉ if (bootargs && getValueForBootKey(bootargs, "config", &val, &size))␊ |
640 | {␊ |
641 | ␉ if (size > 480) size = 480;␊ |
642 | ␉ if (size > 0)␊ |
643 | {␊ |
644 | memcpy(config_filename, val, size);␊ |
645 | config_filename[size] = 0;␊ |
646 | }␊ |
647 | ␉ }␊ |
648 | ␉}␊ |
649 | ␊ |
650 | ␉for(i = 0; dirspec[i]; i++)␊ |
651 | ␉{␊ |
652 | ␉␉strcpy(filespec, dirspec[i]);␊ |
653 | ␉␉/* If the last char is / then append the boot.plist name */␊ |
654 | ␉␉if (filespec[strlen(filespec)-1] == '/')␊ |
655 | ␉␉{␊ |
656 | ␉␉␉strcat(filespec, config_filename);␊ |
657 | ␉␉}␊ |
658 | ␊ |
659 | ␉␉if ((fd = open(filespec, 0)) >= 0)␊ |
660 | ␉␉{␊ |
661 | ␉␉␉// read file␊ |
662 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
663 | ␉␉␉close(fd);␊ |
664 | ␉␉␉␊ |
665 | ␉␉␉// build xml dictionary␊ |
666 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
667 | ␉␉␉sysConfigValid=true;␊ |
668 | ␉␉␉verbose("Config file %s loaded\n", filespec);␊ |
669 | ␉␉␉return 0;␊ |
670 | ␉␉}␊ |
671 | ␉}␊ |
672 | ␉return -1;␊ |
673 | }␊ |
674 | ␊ |
675 | /* loadHelperConfig␊ |
676 | *␊ |
677 | * Returns 0 - successful.␊ |
678 | *␉␉ -1 - unsuccesful.␊ |
679 | */␊ |
680 | int loadHelperConfig(config_file_t *config)␊ |
681 | {␊ |
682 | ␉char *dirspec[] = {␊ |
683 | ␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
684 | ␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
685 | ␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊ |
686 | ␉};␊ |
687 | ␊ |
688 | ␉int i, fd, count, ret=-1;␊ |
689 | ␊ |
690 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
691 | ␉{␊ |
692 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
693 | ␉␉{␊ |
694 | ␉␉␉// read file␊ |
695 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
696 | ␉␉␉close(fd);␊ |
697 | ␉␉␉␊ |
698 | ␉␉␉// build xml dictionary␊ |
699 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
700 | ␉␉␉sysConfigValid = true;␉␊ |
701 | ␉␉␉ret=0;␊ |
702 | ␉␉␉break;␊ |
703 | ␉␉}␊ |
704 | ␉}␊ |
705 | ␉return ret;␊ |
706 | }␊ |
707 | ␊ |
708 | char * newString(const char * oldString)␊ |
709 | {␊ |
710 | if ( oldString )␊ |
711 | return strcpy(malloc(strlen(oldString)+1), oldString);␊ |
712 | else␊ |
713 | return NULL;␊ |
714 | }␊ |
715 | ␊ |
716 | /*␊ |
717 | * Extracts the next argument from the command line, double quotes are allowed here.␊ |
718 | */␊ |
719 | char * getNextArg(char ** argPtr, char * val)␊ |
720 | {␊ |
721 | char * ptr = *argPtr;␊ |
722 | const char * strStart;␊ |
723 | int len = 0;␊ |
724 | bool isQuoted = false;␊ |
725 | ␊ |
726 | *val = '\0';␊ |
727 | ␊ |
728 | // Scan for the next non-whitespace character.␊ |
729 | while ( *ptr && (*ptr == ' ' || *ptr == '=') )␊ |
730 | {␊ |
731 | ptr++;␊ |
732 | }␊ |
733 | ␊ |
734 | strStart = ptr;␊ |
735 | ␊ |
736 | // Skip the leading double quote character.␊ |
737 | if (*ptr == '\"')␊ |
738 | {␊ |
739 | isQuoted = true;␊ |
740 | ptr++;␊ |
741 | strStart++;␊ |
742 | }␊ |
743 | ␊ |
744 | // Scan for the argument terminator character.␊ |
745 | // This can be either a NULL character - in case we reach the end of the string,␊ |
746 | // a double quote in case of quoted argument,␊ |
747 | // or a whitespace character (' ' or '=') for non-quoted argument.␊ |
748 | while (*ptr && !( (isQuoted && (*ptr == '\"')) ||␊ |
749 | (!isQuoted && (*ptr == ' ' || *ptr == '=')) )␊ |
750 | )␊ |
751 | {␊ |
752 | ptr++;␊ |
753 | }␊ |
754 | ␊ |
755 | len = ptr - strStart;␊ |
756 | ␊ |
757 | // Skip the closing double quote character and adjust␊ |
758 | // the starting pointer for the next getNextArg call.␊ |
759 | if (*ptr && isQuoted && *ptr == '\"')␊ |
760 | ptr++;␊ |
761 | ␊ |
762 | // Copy the extracted argument to val.␊ |
763 | strncat(val, strStart, len);␊ |
764 | ␊ |
765 | // Set command line pointer.␊ |
766 | *argPtr = ptr;␊ |
767 | ␊ |
768 | return ptr;␊ |
769 | }␊ |
770 | ␊ |
771 | ␊ |
772 | |